Function flic::codec::prepare_pstamp

pub fn prepare_pstamp(
    src: &Raster, 
    xlat256: &[u8], 
    dst_w: usize, 
    dst_h: usize
) -> Vec<u8>

Create a new scaled down image, remapped into the six-color palette. The image may be encoded as part of a postage stamp chunk using the FLI_BRUN and FLI_COPY encoders.